Walker 18957 Exhaust Muffler

Name: Walker 18957 Exhaust Muffler
Brand: Walker
SKU: BDCN-18957
Price: 60.27 USD
Availability: InStock

SoundFX Direct Fit

51 vehicles fit this part

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OE Direct Replacement — Bolt-on fit, no modifications needed

SoundFX Direct Fit

Fitment: Cadillac, Chevrolet, and GMC, Avalanche 1500, Escalade, Suburban 1500, Tahoe, Yukon, and Yukon XL 1500

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Overview of Walker SoundFX Direct Fit Exhaust Muffler 18957

The Walker SoundFX Direct Fit Exhaust Muffler 18957 is engineered specifically for select Cadillac, Chevrolet, and GMC trucks and SUVs. Designed to provide reliable exhaust flow and sound control, this muffler suits models like the Chevrolet Avalanche 1500, Escalade, Suburban 1500, Tahoe, and GMC Yukon and Yukon XL 1500.

Specific fit for Cadillac, Chevrolet, and GMC full-size trucks and SUVs
Oval-shaped aluminized steel body for durability and corrosion resistance
2.625-inch inlet and outlet pipe connections with offset configuration
Combination muffler type with a 28-inch overall length and 9-inch body width
Non-reversible design with a regular grade type for standard performance

Walker SoundFX Direct Fit Product Line Details

The SoundFX Direct Fit line by Walker focuses on providing direct replacement mufflers that match original equipment specifications. This ensures proper fitment and sound characteristics for specific vehicle applications. The 18957 muffler maintains the balance between noise reduction and exhaust flow, making it suitable for the intended Cadillac, Chevrolet, and GMC models without requiring modifications.

Product Specifications and Features

This exhaust muffler features an oval-shaped body constructed from aluminized steel, offering resistance to rust and heat. The inlet and outlet both measure 2.625 inches inside diameter and utilize pipe connection types with an offset configuration—1.625 inches inlet offset—ensuring compatibility with factory exhaust systems. The muffler measures 28 inches in overall length, with a 24-inch body length, 9-inch width, and 7-inch height. It is a combination muffler type designed for specific sound attenuation and exhaust flow characteristics. The part is not reversible or tunable, aligning with its direct fit design.

Compatible Vehicles and Applications

Cadillac Escalade
Chevrolet Avalanche 1500, Suburban 1500, Tahoe
GMC Yukon, Yukon XL 1500

This muffler is intended for use in exhaust system repairs or replacements where maintaining factory fit and function is critical. It addresses issues such as excessive exhaust noise, rusted or damaged mufflers, and exhaust leaks.

Installation Notes and Tips

Designed for direct fit installation on specified Cadillac, Chevrolet, and GMC models
Ensure proper alignment of offset inlet and outlet pipe connections during installation
Check for exhaust system corrosion or damage before installing the new muffler
Professional installation is recommended to maintain exhaust system integrity and performance

Quality Assurance and Warranty

Walker manufactures this muffler with aluminized steel for durability and corrosion resistance. The SoundFX Direct Fit line is engineered to meet or exceed OEM specifications for fit and function. While specific warranty details are not provided here, Walker products typically come with a limited warranty against defects in materials and workmanship.

Brand	Walker
Part Number	18957
Position	SoundFX Direct Fit
Universal Or Specific Fit	Specific
Shape	Oval
Grade Type	Regular
Inlet Inside Diameter	2.625
Body Width	9
Inlet Quantity	1
Outlet Inside Diameter	2.625
Outlet Quantity	1
Reversible	No
Tunable	No
Overall Length	28
Body Height	7
Body Length	24
Body Material	Steel
Finish	Aluminized
Inlet 1 Inside Diameter	2.625
Inlet 1 Type	Pipe connection
Inlet Configuration	Offset
Inlet Offset	1.625
Inlet Type	Pipe connection
Muffler Type	Combination
Outlet 1 Inside Diameter	2.625
Outlet 1 Type	Pipe connection
Outlet Configuration	Offset
Outlet Type	Pipe connection

This part fits 51 vehicles. Search below:

Year	Make	Model	Liters	Cylinders	Position	Notes
2006	Chevrolet	Avalanche 1500	5.3L	V8	N/A	Single Outlet Muffler Replaces Dual Outlet; If welded assembly, replace all required parts; SoundFX Direct Fit
2006	Chevrolet	Suburban 1500	5.3L	V8	N/A	Single Outlet Muffler Replaces Dual Outlet; If welded assembly, replace all required parts; SoundFX Direct Fit
2006	Chevrolet	Tahoe	4.8L	V8	N/A	Single Outlet Muffler Replaces Dual Outlet; If welded assembly, replace all required parts; SoundFX Direct Fit
2006	Chevrolet	Tahoe	5.3L	V8	N/A	Single Outlet Muffler Replaces Dual Outlet; If welded assembly, replace all required parts; SoundFX Direct Fit
2006	GMC	Yukon	5.3L	V8	N/A	Single Outlet Muffler Replaces Dual Outlet; If welded assembly, replace all required parts; SoundFX Direct Fit
2006	GMC	Yukon	4.8L	V8	N/A	Single Outlet Muffler Replaces Dual Outlet; If welded assembly, replace all required parts; SoundFX Direct Fit
2006	GMC	Yukon XL 1500	5.3L	V8	N/A	Single Outlet Muffler Replaces Dual Outlet; If welded assembly, replace all required parts; SoundFX Direct Fit
2005	Cadillac	Escalade	5.3L	V8	N/A	Except Luxury Package; Single Outlet Muffler Replaces Dual Outlet; If welded assembly, replace all required parts; SoundFX Direct Fit
2005	Chevrolet	Avalanche 1500	5.3L	V8	N/A	Single Outlet Muffler Replaces Dual Outlet; If welded assembly, replace all required parts; SoundFX Direct Fit
2005	Chevrolet	Suburban 1500	5.3L	V8	N/A	Single Outlet Muffler Replaces Dual Outlet; If welded assembly, replace all required parts; SoundFX Direct Fit
2005	Chevrolet	Tahoe	4.8L	V8	N/A	Single Outlet Muffler Replaces Dual Outlet; If welded assembly, replace all required parts; SoundFX Direct Fit
2005	Chevrolet	Tahoe	5.3L	V8	N/A	Single Outlet Muffler Replaces Dual Outlet; If welded assembly, replace all required parts; SoundFX Direct Fit
2005	GMC	Yukon	5.3L	V8	N/A	Single Outlet Muffler Replaces Dual Outlet; If welded assembly, replace all required parts; SoundFX Direct Fit
2005	GMC	Yukon	4.8L	V8	N/A	Single Outlet Muffler Replaces Dual Outlet; If welded assembly, replace all required parts; SoundFX Direct Fit
2005	GMC	Yukon XL 1500	5.3L	V8	N/A	Single Outlet Muffler Replaces Dual Outlet; If welded assembly, replace all required parts; SoundFX Direct Fit
2004	Cadillac	Escalade	5.3L	V8	N/A	Except Luxury Package; Single Outlet Muffler Replaces Dual Outlet; If welded assembly, replace all required parts; SoundFX Direct Fit
2004	Chevrolet	Avalanche 1500	5.3L	V8	N/A	Single Outlet Muffler Replaces Dual Outlet; If welded assembly, replace all required parts; SoundFX Direct Fit
2004	Chevrolet	Suburban 1500	5.3L	V8	N/A	Single Outlet Muffler Replaces Dual Outlet; If welded assembly, replace all required parts; SoundFX Direct Fit
2004	Chevrolet	Tahoe	4.8L	V8	N/A	Single Outlet Muffler Replaces Dual Outlet; If welded assembly, replace all required parts; SoundFX Direct Fit
2004	Chevrolet	Tahoe	5.3L	V8	N/A	Single Outlet Muffler Replaces Dual Outlet; If welded assembly, replace all required parts; SoundFX Direct Fit
2004	GMC	Yukon	5.3L	V8	N/A	Single Outlet Muffler Replaces Dual Outlet; If welded assembly, replace all required parts; SoundFX Direct Fit
2004	GMC	Yukon	4.8L	V8	N/A	Single Outlet Muffler Replaces Dual Outlet; If welded assembly, replace all required parts; SoundFX Direct Fit
2004	GMC	Yukon XL 1500	5.3L	V8	N/A	Single Outlet Muffler Replaces Dual Outlet; If welded assembly, replace all required parts; SoundFX Direct Fit
2003	Cadillac	Escalade	5.3L	V8	N/A	Except Luxury Package; Single Outlet Muffler Replaces Dual Outlet; If welded assembly, replace all required parts; SoundFX Direct Fit
2003	Chevrolet	Avalanche 1500	5.3L	V8	N/A	Single Outlet Muffler Replaces Dual Outlet; If welded assembly, replace all required parts; SoundFX Direct Fit
2003	Chevrolet	Suburban 1500	5.3L	V8	N/A	Single Outlet Muffler Replaces Dual Outlet; If welded assembly, replace all required parts; SoundFX Direct Fit
2003	Chevrolet	Tahoe	4.8L	V8	N/A	Single Outlet Muffler Replaces Dual Outlet; If welded assembly, replace all required parts; SoundFX Direct Fit
2003	Chevrolet	Tahoe	5.3L	V8	N/A	Single Outlet Muffler Replaces Dual Outlet; If welded assembly, replace all required parts; SoundFX Direct Fit
2003	GMC	Yukon	5.3L	V8	N/A	Single Outlet Muffler Replaces Dual Outlet; If welded assembly, replace all required parts; SoundFX Direct Fit
2003	GMC	Yukon	4.8L	V8	N/A	Single Outlet Muffler Replaces Dual Outlet; If welded assembly, replace all required parts; SoundFX Direct Fit
2003	GMC	Yukon XL 1500	5.3L	V8	N/A	Single Outlet Muffler Replaces Dual Outlet; If welded assembly, replace all required parts; SoundFX Direct Fit
2002	Cadillac	Escalade	5.3L	V8	N/A	Except Luxury Package; Single Outlet Muffler Replaces Dual Outlet; If welded assembly, replace all required parts; SoundFX Direct Fit
2002	Chevrolet	Avalanche 1500	5.3L	V8	N/A	Single Outlet Muffler Replaces Dual Outlet; If welded assembly, replace all required parts; SoundFX Direct Fit
2002	Chevrolet	Suburban 1500	5.3L	V8	N/A	Single Outlet Muffler Replaces Dual Outlet; If welded assembly, replace all required parts; SoundFX Direct Fit
2002	Chevrolet	Tahoe	4.8L	V8	N/A	Single Outlet Muffler Replaces Dual Outlet; If welded assembly, replace all required parts; SoundFX Direct Fit
2002	Chevrolet	Tahoe	5.3L	V8	N/A	Single Outlet Muffler Replaces Dual Outlet; If welded assembly, replace all required parts; SoundFX Direct Fit
2002	GMC	Yukon	5.3L	V8	N/A	Single Outlet Muffler Replaces Dual Outlet; If welded assembly, replace all required parts; SoundFX Direct Fit
2002	GMC	Yukon	4.8L	V8	N/A	Single Outlet Muffler Replaces Dual Outlet; If welded assembly, replace all required parts; SoundFX Direct Fit
2002	GMC	Yukon XL 1500	5.3L	V8	N/A	Single Outlet Muffler Replaces Dual Outlet; If welded assembly, replace all required parts; SoundFX Direct Fit
2001	Chevrolet	Suburban 1500	5.3L	V8	N/A	Single Outlet Muffler Replaces Dual Outlet; If welded assembly, replace all required parts; SoundFX Direct Fit
2001	Chevrolet	Tahoe	4.8L	V8	N/A	Single Outlet Muffler Replaces Dual Outlet; If welded assembly, replace all required parts; SoundFX Direct Fit
2001	Chevrolet	Tahoe	5.3L	V8	N/A	Single Outlet Muffler Replaces Dual Outlet; If welded assembly, replace all required parts; SoundFX Direct Fit
2001	GMC	Yukon	5.3L	V8	N/A	Single Outlet Muffler Replaces Dual Outlet; If welded assembly, replace all required parts; SoundFX Direct Fit
2001	GMC	Yukon	4.8L	V8	N/A	Single Outlet Muffler Replaces Dual Outlet; If welded assembly, replace all required parts; SoundFX Direct Fit
2001	GMC	Yukon XL 1500	5.3L	V8	N/A	Single Outlet Muffler Replaces Dual Outlet; If welded assembly, replace all required parts; SoundFX Direct Fit
2000	Chevrolet	Suburban 1500	5.3L	V8	N/A	Single Outlet Muffler Replaces Dual Outlet; If welded assembly, replace all required parts; SoundFX Direct Fit
2000	Chevrolet	Tahoe	5.3L	V8	N/A	Except Luxury Package; Single Outlet Muffler Replaces Dual Outlet; If welded assembly, modifications and/or additional parts may be required.; SoundFX Direct Fit
2000	Chevrolet	Tahoe	4.8L	V8	N/A	Except Luxury Package; Single Outlet Muffler Replaces Dual Outlet; If welded assembly, modifications and/or additional parts may be required.; SoundFX Direct Fit
2000	GMC	Yukon	4.8L	V8	N/A	Single Outlet Muffler Replaces Dual Outlet; If welded assembly, modifications and/or additional parts may be required.; SoundFX Direct Fit
2000	GMC	Yukon	5.3L	V8	N/A	Single Outlet Muffler Replaces Dual Outlet; If welded assembly, modifications and/or additional parts may be required.; SoundFX Direct Fit
2000	GMC	Yukon XL 1500	5.3L	V8	N/A	Single Outlet Muffler Replaces Dual Outlet; If welded assembly, replace all required parts; SoundFX Direct Fit

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

700303

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.